Spiro[5.5]undeca-1,7-diene-3,9-dione,1,5,5-trimethyl-, (R)- is a chemical compound registered under CAS number 112642-49-6, with the molecular formula C14H18O2 and a molecular weight of about 218.3 g/mol. It is also known as (+)-Majusculone; Majusculone. ProvideChemicals supplies Spiro[5.5]undeca-1,7-diene-3,9-dione,1,5,5-trimethyl-, (R)- for laboratory research and bulk production; product code 382695. Send an inquiry for purity, packaging, price and lead time.